{"product_id":"nbk-japan-mfbs-12-4mm-to-4mm-bellows-type-flexible","title":"NBK Japan MFBS-12 4mm to 4mm Bellows-type Flexible Coupling Stainless Steel, Zero-Backlash Bellows Flexible Shaft Coupling for Servo and Stepper Motors","description":"\u003cdiv\u003eNBK MFBS-12 Bellows-Type Stainless Steel Flexible Coupling - 4 mm to 4 mm bore, pack size: 1 unit, Zero-Backlash for Servo \u0026amp; Stepper Motors \u003cbr\u003e\n✔️ Bore 4 mm to 4 mm, length 23.5 mm, outer Ø 12 mm, stainless steel, zero-backlash, high torsional rigidity, made in Japan, pack size: 1 unit\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNBK MFBS-12 is a bellows-type flexible coupling designed to connect servo and stepper motors to driven shafts in automation like CNCs and 3D printers. Pack size: 1 unit. It compensates eccentricity, angular misalignment, and end-play while delivering zero-backlash torque and high torsional rigidity in compact spaces.\u003c\/p\u003e ✅ Bore: 4 mm to 4 mm (0.157 in to 0.157 in) \u003cbr\u003e\n✅ Length: 23.5 mm (0.925 in) \u003cbr\u003e\n✅ Outer diameter: 12 mm (0.472 in) \u003cbr\u003e\n✅ Material: Stainless steel \u003cbr\u003e\n✅ Features: Zero-backlash, high torsional rigidity, constant velocity \u003cbr\u003e\n✅ Made in Japan, Quantity: 1 \u003cbr\u003e 💡 What is a bellows-type flexible coupling used for in precision servo and stepper motor systems?\nThis helps explain why these couplings are chosen for exact motion control. - Improves alignment tolerance and reduces end-play in compact drives\n- Maintains consistent velocity for precise positioning\n- Reduces drivetrain stress from angular and radial misalignment\n- Handy for small automation tasks like hobby CNCs, 3D printers, and robotics This setup delivers reliable, precise motion in tight spaces, boosting performance and uptime. \u003cbr\u003e \u003ctable cellspacing=\"2\" cellpadding=\"10\" bg=\"\" border=\"1\"\u003e\u003ctbody\u003e\u003ctr align=\"center\"\u003e\u003ctd align=\"center\"\u003e\u003cfont face=\"Tahoma\" size=\"+2\"\u003eNBK Japan MFBS-12 4mm to 4mm\u003cbr\u003estainless steel Bellows-type Flexible Coupling\u003c\/font\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e \u003cbr\u003e \u003ctable cellspacing=\"2\" cellpadding=\"5\" width=\"80%\" border=\"0\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd valign=\"top\" align=\"left\"\u003e\n\u003cp align=\"justify\"\u003e\u003cfont face=\"tahoma\"\u003eNBK Japan MFBS-12 4mm to 4mm Bellows-type Flexible Coupling stainless, this is a bellows type flexible coupling. The bellows allows eccentricity, angularmisalignment, and end-play. \u003c\/font\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eCoupling Bore 1 Diameter: 4mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eCoupling Bore 2 Diameter: 4mm\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eCoupling Length: 23.5\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eCoupling Outer Diameter:12\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eMaterial: Stainless Steel\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eZero Backlash\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eHigh torsional rigidity\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eHigh Torque\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eConstant Velocity\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eSimple Design\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eMade in Japan\u003c\/font\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cfont face=\"tahoma\"\u003eQuantity: One\u003c\/font\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cfont face=\"tahoma\"\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/font\u003e\u003ccenter\u003e\u003ctable cellspacing=\"2\" cellpadding=\"5\" border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eA\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eL\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eW\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eE\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eF\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eM\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eWrench Torque(N-m)\u003c\/font\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr align=\"center\"\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003e12mm\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003e7.5mm\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003e23.5mm\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003e7mm\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003e2.5mm\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003eM2.9mm\u003c\/font\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e\u003cfont face=\"tahoma\"\u003e0.5\u003c\/font\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"8\" align=\"Center\"\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/center\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e","brand":"NBK","offers":[{"title":"Default Title","offer_id":43560135557355,"sku":"MFBS-12-4mm-4mm","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/stainless-steel-bellows-coupling-4mm-bore.jpg?v=1770442670","url":"https:\/\/vxb.com\/products\/nbk-japan-mfbs-12-4mm-to-4mm-bellows-type-flexible","provider":"VXB Bearings","version":"1.0","type":"link"}